Oracle has published a patch release of the virtualization system VirtualBox 6.1.18 which says 14 patches . The list of changes is not explicitly indicated, but it can be assumed that the new release will fix the recently disclosed vulnerability , which were affected by releases up to VirtualBox 6.1.16. The problem allowed access to the host system from the virtual machine if the attacker in the guest system had access to load kernel modules, as well as when the driver for the SCSI controller marked as bootable was enabled in VirtualBox.
Major changes:
- Fixed hang when launching nested guests in SMP mode on hosts with some Intel processors.
- Components for integration with OCI (Oracle Cloud Infrastructure) have improved parsing of parameters of cloud environments during import.
- Fixed issue with issuing IP addresses to the guest via DHCP after returning the host from hibernation.
- Added optimizations for macOS BigSur.
- Fixed an issue with audio playback after the host goes to sleep.
- Add-ons for Linux hosts and guests now support the Linux 5.10 kernel.
- Fixed regression breaking VGA text mode in the Solaris host components.
- Resolved issues with building guest add-ons on CentOS 8.2-2004 and newer, and systems with Linux kernels .2.0 through 3.2.50.
- Add-ons for guest systems have fixed VM crash when copying from shared clipboard on X11 systems.
- A re-mount bug in Linux guests has been fixed in the Shared Folder implementation.
/Media reports.